Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document.
Note: Even the most advanced machine translation cannot match the quality of professional translators.
Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).

Conventions

As part of an effort to improve
and enhance the product performance and capabilities, Huawei periodically releases revisions of
the hardware and software. Therefore, some functions described in
this document may not be supported by all versions of the software
or hardware currently in use. For the most up-to-date information
about product features, refer to the product release notes.

If a product does not function as described in this document, contact
Huawei technical support engineers.

Change History

Updates between document
issues are cumulative. Therefore, the latest document issue contains
all updates made in previous issues.

Issue 14 (2018-08-30)

This is the
fourteenth official release.

Optimized some description.

Issue 13 (2018-05-30)

This is the thirteenth official
release.

Added the description about how to use the optical
fiber binding tape.

Issue 09 (2017-07-20)

Added the description of the maximum number of modems
supported by a controller in section Building a Remote Maintenance
Environment.

Issue 08 (2017-05-10)

This is
the eighth official release.

Added the description of PDU in Connecting AC Power Cables.

Issue 07 (2017-03-27)

This is the seventh official release.

Added the description
of checking whether the VLAN configuration of Ethernet switches on
the customer's management network conflicts with the VLAN configuration
of the storage system before a power-on.

Issue 06 (2016-12-05)

This is the sixth official release.

Updated information about AC, high-voltage DC, and DC in the section
of Quick checklist for the installation environment.

Updated information about storage system noise in the section
of Heat Dissipation and Noise.

Issue 05 (2016-11-20)

This is the fifth
official release. Information about V300R003C20 is added. The following
lists the added and updated contents:

Updated the number of disk enclosures that can be cascaded in Connecting Disk Enclosures.

Added a 4-link redundancy network diagram to Connecting the
Controller Enclosure to Application Servers to show the connections
between the controller enclosure and application servers in scenarios
where switches are deployed.